For the 2025-26 school year, there are 4 public high schools serving 1,599 students in Cerro Gordo County, IA.
The top ranked public high schools in Cerro Gordo County, IA are Clear Lake High School, Alternative School and Mason City High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Cerro Gordo County, IA public high schools have an average math proficiency score of 54% (versus the Iowa public high school average of 65%), and reading proficiency score of 65% (versus the 71% statewide average). High schools in Cerro Gordo County have an average ranking of 1/10, which is in the bottom 50% of Iowa public high schools.
Cerro Gordo County, IA public high school have a Graduation Rate of 87%, which is equal to the Iowa average of 87%.
The school with highest graduation rate is Clear Lake High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 25% of the student body (majority Hispanic), which is less than the Iowa public high school average of 27% (majority Hispanic).
Best Public High Schools in Cerro Gordo County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Clear Lake High School
(Math: 73% | Reading: 84%)
Rank:
Rank:
8/
Top 30%10
125 N 20th St
Clear Lake, IA 50428
(641) 357-5235
Clear Lake, IA 50428
(641) 357-5235
Gr: 9-12 | 458 students Student-teacher ratio: 14:1 Minority enrollment: 14%
Rank: #22.
Alternative School
Alternative School
(Math: 30-39% | Reading: 60-69%)
Rank:
Rank:
2/
Bottom 50%10
19 N. Illinois Ave.
Mason City, IA 50401
(641) 421-4426
Mason City, IA 50401
(641) 421-4426
Gr: 9-12 | 92 students Student-teacher ratio: 15:1 Minority enrollment: 27%
Rank: #33.
Mason City High School
(Math: 48% | Reading: 57%)
Rank:
Rank:
2/
Bottom 50%10
1700 4th St. Se
Mason City, IA 50401
(641) 421-4431
Mason City, IA 50401
(641) 421-4431
Gr: 9-12 | 967 students Student-teacher ratio: 18:1 Minority enrollment: 29%
Rank: #44.
Mason City Virtual Academy
(Math: 35-39% | Reading: 55-59%)
Rank:
Rank:
1/
Bottom 50%10
1515 S Pennsylvania Ave
Mason City, IA 50401
(641) 421-4401
Mason City, IA 50401
(641) 421-4401
Gr: 7-12 | 82 students Student-teacher ratio: 27:1 Minority enrollment: 24%
Cerro Gordo County Public Schools (Closed)
School
Location
Quick Facts
306 S 8th St
Clear Lake, IA 50428
(641) 357-2174
Clear Lake, IA 50428
(641) 357-2174
Gr: 1-2 | 200 students Student-teacher ratio: 14:1 Minority enrollment: 12%
2620 South Jefferson Ave
Mason City, IA 50401
(641) 421-4413
Mason City, IA 50401
(641) 421-4413
Gr: PK
100 5th St N Po Box 150
Thornton, IA 50479
(641) 998-2315
Thornton, IA 50479
(641) 998-2315
Gr: 5-8 | 130 students Student-teacher ratio: 12:1
100 5th St N Po Box 150
Thornton, IA 50479
(641) 998-2315
Thornton, IA 50479
(641) 998-2315
Gr: 5-8 | 130 students Student-teacher ratio: 12:1
210 S 2nd St
Rockwell, IA 50469
(641) 822-3234
Rockwell, IA 50469
(641) 822-3234
Gr: 7-12 | 171 students Student-teacher ratio: 10:1 Minority enrollment: 1%
1625 South Pennsylvania Ave
Mason City, IA 50401
(641) 421-4423
Mason City, IA 50401
(641) 421-4423
Gr: 6-8
100 5th St North
Thornton, IA 50479
(641) 998-2315
Thornton, IA 50479
(641) 998-2315
Gr: 5-8 | 128 students Student-teacher ratio: 9:1
408 Mars Hill Drive
Clear Lake, IA 50428
(641) 357-5288
Clear Lake, IA 50428
(641) 357-5288
Gr: PK | 123 students Student-teacher ratio: 31:1 Minority enrollment: 14%
408 Mars Hill Dr
Clear Lake, IA 50428
(641) 357-6171
Clear Lake, IA 50428
(641) 357-6171
Gr: PK-K | 187 students Student-teacher ratio: 21:1 Minority enrollment: 7%
300 S. Main Street, 300 S. Mai
Ventura, IA 50482
(641) 829-4482
Ventura, IA 50482
(641) 829-4482
Gr: K-6 | 81 students Student-teacher ratio: 10:1 Minority enrollment: 3%
110 South Main St
Ventura, IA 50482
(641) 829-4484
Ventura, IA 50482
(641) 829-4484
Gr: 6-12 | 178 students Student-teacher ratio: 13:1 Minority enrollment: 7%
110 S. Main Street, 110 S. Mai
Ventura, IA 50482
(641) 829-4484
Ventura, IA 50482
(641) 829-4484
Gr: 7-8 | 151 students Student-teacher ratio: 17:1 Minority enrollment: 10%
700 North Washington Ave
Mason City, IA 50401
(641) 421-4418
Mason City, IA 50401
(641) 421-4418
Gr: PK
210 South 2nd St
Rockwell, IA 50469
(641) 822-3233
Rockwell, IA 50469
(641) 822-3233
Gr: PK-4 | 157 students Student-teacher ratio: 13:1 Minority enrollment: 6%
Frequently Asked Questions
What are the top ranked public high schools in Cerro Gordo County, IA?
The top ranked public high schools in Cerro Gordo County, IA include Clear Lake High School, Alternative School and Mason City High School.
How many public high schools are located in Cerro Gordo County?
4 public high schools are located in Cerro Gordo County.
What is the racial composition of students in Cerro Gordo County?
Cerro Gordo County public high schools minority enrollment is 25% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 27% (majority Hispanic).
Which public high schools in Cerro Gordo County are often viewed compared to one another?
Popular comparisons of public high schools in Cerro Gordo County include: Mason City High School vs. Clear Lake High School, Clear Lake High School vs. Mason City High School
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